Move HWPMC_HOOKS into its own opt_hwpmc_hooks.h file. It doesn't merit

being in opt_global.h and forcing a global recompile when only a few files
reference it.

Approved by:  re

sys/amd64/amd64/local_apic.c

@@ -34,6 +34,8 @@
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
 
+#include "opt_hwpmc_hooks.h"
+
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/bus.h>

sys/amd64/amd64/trap.c

@@ -46,6 +46,7 @@ __FBSDID("$FreeBSD$");
 
 #include "opt_clock.h"
 #include "opt_cpu.h"
+#include "opt_hwpmc_hooks.h"
 #include "opt_isa.h"
 #include "opt_ktrace.h"
 

sys/conf/options

@@ -707,4 +707,4 @@ NI4BISPPP		opt_i4b.h
 LOOKUP_SHARED		opt_vfs.h
 
 # HWPMC options
-HWPMC_HOOKS		opt_global.h
+HWPMC_HOOKS

sys/i386/i386/local_apic.c

@@ -34,6 +34,8 @@
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
 
+#include "opt_hwpmc_hooks.h"
+
 #include <sys/param.h>
 #include <sys/systm.h>
 #include <sys/bus.h>

sys/i386/i386/trap.c

@@ -46,6 +46,7 @@ __FBSDID("$FreeBSD$");
 
 #include "opt_clock.h"
 #include "opt_cpu.h"
+#include "opt_hwpmc_hooks.h"
 #include "opt_isa.h"
 #include "opt_ktrace.h"
 #include "opt_npx.h"

sys/kern/kern_clock.c

@@ -37,6 +37,7 @@
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
 
+#include "opt_hwpmc_hooks.h"
 #include "opt_ntp.h"
 #include "opt_watchdog.h"
 

sys/kern/kern_exec.c

@@ -27,6 +27,7 @@
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
 
+#include "opt_hwpmc_hooks.h"
 #include "opt_ktrace.h"
 #include "opt_mac.h"
 

sys/kern/sched_4bsd.c

@@ -35,6 +35,8 @@
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
 
+#include "opt_hwpmc_hooks.h"
+
 #define kse td_sched
 
 #include <sys/param.h>

sys/kern/sched_ule.c

@@ -27,7 +27,8 @@
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
 
-#include <opt_sched.h>
+#include "opt_hwpmc_hooks.h"
+#include "opt_sched.h"
 
 #define kse td_sched